U.S. Cop Hits Woman with Vehicle - RT Documentary

U.S. cop hits woman with vehicle. Why did he take this action? Watch in the video. An armed woman was seen pointing her gun at others on an intersection. As she turned the weapon on herself, a police vehicle drove into her, knocking her down. Police reported the woman had fired a shot in the air before they were able to disarm her. The Nassau County Police called the officer a hero. The woman and cop sustained only minor injuries. Did the police act appropriately?